Máy đo điện trở tiếp xúc, cầu đo điện trở NBD Technologies DRM-40
The DRM-40 is a high precision micro-ohmmeter (0.01µΩ to 200Ω) designed for many applications such as welding quality control, mechanical joints quality control, Cadweld exothermic quality control, etc… It is available with a great variety of accessories.